Annual report pursuant to Section 13 and 15(d)

Deposits - Scheduled Maturities of Time Deposits (Detail)

v3.8.0.1
Deposits - Scheduled Maturities of Time Deposits (Detail)
$ in Thousands
Dec. 31, 2017
USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]  
2018 $ 1,236,380
2019 140,527
2020 23,195
2021 14,585
2022 1,645
Total 1,416,332
Time Deposits of $250,000 or More [Member]  
Restricted Cash and Cash Equivalents Items [Line Items]  
2018 364,225
2019 94,735
2020 1,619
2021 1,650
2022 0
Total 462,229
Other Time Deposits [Member]  
Restricted Cash and Cash Equivalents Items [Line Items]  
2018 872,155
2019 45,792
2020 21,576
2021 12,935
2022 1,645
Total $ 954,103